Updates for updated rubocop

.rubocop.yml

@@ -5,12 +5,18 @@ AbcSize:
 AccessModifierIndentation:
  EnforcedStyle: outdent
 
+Alias:
+ EnforcedStyle: prefer_alias_method
+
 AllCops:
  Include:
  - 'Gemfile'
  - 'Rakefile'
  - 'delayed_job.gemspec'
 
+RedundantBlockCall:
+ Enabled: false
+
 # Avoid more than `Max` levels of nesting.
 BlockNesting:
  Max: 2
@@ -107,5 +113,11 @@ SpaceInsideHashLiteralBraces:
 SymbolProc:
  Enabled: false
 
-TrailingComma:
+TrailingCommaInLiteral:
+ Enabled: false
+
+TrailingCommaInArguments:
+ Enabled: false
+
+ZeroLengthPredicate:
  Enabled: false

lib/delayed/backend/base.rb

@@ -50,7 +50,7 @@ def work_off(num = 100)
  attr_reader :error
  def error=(error)
  @error = error
- self.last_error = "#{error.message}\n#{error.backtrace.join("\n")}" if self.respond_to?(:last_error=)
+ self.last_error = "#{error.message}\n#{error.backtrace.join("\n")}" if respond_to?(:last_error=)
  end
 
  def failed?

lib/delayed/command.rb

@@ -143,11 +143,7 @@ def parse_worker_pool(pool)
  @worker_pools ||= []
 
  queues, worker_count = pool.split(':')
- if ['*', '', nil].include?(queues)
- queues = []
- else
- queues = queues.split(',')
- end
+ queues = ['*', '', nil].include?(queues) ? [] : queues.split(',')
  worker_count = (worker_count || 1).to_i rescue 1
  @worker_pools << [queues, worker_count]
  end

lib/delayed/lifecycle.rb

@@ -10,7 +10,7 @@ class Lifecycle
  :error => [:worker, :job],
  :failure => [:worker, :job],
  :invoke_job => [:job]
- }
+ }.freeze
 
  def initialize
  @callbacks = EVENTS.keys.each_with_object({}) do |e, hash|

lib/delayed/worker.rb

@@ -7,14 +7,14 @@
 
 module Delayed
  class Worker # rubocop:disable ClassLength
- DEFAULT_LOG_LEVEL = 'info'
+ DEFAULT_LOG_LEVEL = 'info'.freeze
  DEFAULT_SLEEP_DELAY = 5
  DEFAULT_MAX_ATTEMPTS = 25
  DEFAULT_MAX_RUN_TIME = 4.hours
  DEFAULT_DEFAULT_PRIORITY = 0
  DEFAULT_DELAY_JOBS = true
- DEFAULT_QUEUES = []
- DEFAULT_QUEUE_ATTRIBUTES = []
+ DEFAULT_QUEUES = [].freeze
+ DEFAULT_QUEUE_ATTRIBUTES = [].freeze
  DEFAULT_READ_AHEAD = 5
 
  cattr_accessor :min_priority, :max_priority, :max_attempts, :max_run_time,